Observable discrepancy in Request Tracker - CVE-2021-38562

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Main Vulnerability Database Vulnerabilities #VU65301

Observable discrepancy in Request Tracker - CVE-2021-38562

Published: July 14, 2022


Vulnerability identifier: #VU65301
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-38562
CWE-ID: CWE-203
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to observable discrepancy in the lib/RT/REST2/Middleware/Auth.pm. A remote attacker can enumerate application users.


Affected software

Request Tracker
Ubuntu
Fedora
rt4-standalone (Ubuntu package)
rt4-db-postgresql (Ubuntu package)
request-tracker4 (Ubuntu package)
rt4-db-sqlite (Ubuntu package)
rt4-db-mysql (Ubuntu package)
rt4-apache2 (Ubuntu package)
rt4-fcgi (Ubuntu package)
rt4-clients (Ubuntu package)
rt

How to mitigate CVE-2021-38562

Install updates from vendor's website.

Request Tracker - addressed in versions 4.2.17, 4.4.5, 5.0.2
rt4-standalone (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
rt4-db-postgresql (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
request-tracker4 (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
rt4-db-sqlite (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
rt4-db-mysql (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
rt4-apache2 (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
rt4-fcgi (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
rt4-clients (Ubuntu package) - addressed in versions Ubuntu Pro, 4.4.3-2+deb10u3build0.20.04.1, 4.4.4+dfsg-2ubuntu1.22.04.1, 4.4.4+dfsg-2ubuntu1.23.04.1, 4.4.4+dfsg-2ubuntu1.23.10.1
rt - addressed in versions 4.4.5-3.fc33, 4.4.5-3.fc34, 4.4.5-3.fc35, 4.4.5-4.fc33, 4.4.5-4.fc34, 4.4.5-4.fc35

External References

Related Security Bulletins